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Message Subject Tepco unable to halt tainted water flowing into tunnels at Fukushima
Poster Handle Anonymous Coward
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Attempt to stop water flowing into trench at Fukushima plant fails
Around 5,000 tons of contaminated water from the turbine building is in the trench, and critics have pointed out the possibility of it escaping into the ocean.

Originally TEPCO planned to freeze the water at the point where the turbine building and the trench meet in order to stop the flow of water, after which it planned to remove the water from the trench. However, the water was insufficiently frozen to stop the flow, and while an effort continued until Nov. 6 to fill in the gaps in the ice with special cement, this effort also failed to provide a complete seal.

While the water remains in the trench, TEPCO cannot create a planned underground wall of frozen soil around the No. 1 through 4 reactor buildings to stop water leakages. TEPCO is considering filling in the trench by pouring in cement as it removes the built up water. Discussion on the particulars of this strategy is to be held at a meeting of the Nuclear Regulation Authority on Nov. 21.

[link to mainichi.jp]
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